[ 3162.375354][T23663] gre: GRE over IPv4 demultiplexer driver
[ 3163.975515][T23686] ip_gre: GRE over IPv4 tunneling driver
[ 3212.357518][T24257] ip6_gre: GRE over IPv6 tunneling driver
[ 3228.626554][T24456] ping (24456) used greatest stack depth: 23600 bytes left
[ 3245.276849][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3250.203759][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3254.363747][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 3259.227759][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!